anonymize_list return type hint fix

[bl4ckwind]

Change Description

The anonymize_list function of the BatchAnonymizerEngine class never returns List[EngineResult].
Changed the return type hint to List[Union[str, object]] and import

Checklist

• I have reviewed the contribution guidelines
• I have signed the CLA (if required)
• My code includes unit tests
• All unit tests and lint checks pass locally
• My PR contains documentation updates / additions if required

[omri374]

/azp run

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[omri374]

Thanks! merged